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Earth Science Semester Review
Earth Science Semester Review
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Review for the semester exam in Earth Science
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
About how long does it take for light from the Sun to reach the Earth?
8 minutes
8 years
80 minutes
8 seconds
2
The Coriolis effect s a direct result of the ______________
gravitational forces within the Earth
convection currents in the mantle
rotation of the Earth on its axis
revolution of the Earth around the Sun
3
If you travel to a distant planet, your mass may change but your weight would stay the same.
true
false
4
In Wisconsin the Sun is directly overhead at noon during which month.
June
The Sun is never directly overhead in Wisconsin
March
December
5
What process brings vital nutrients to organisms living in the surface waters of the ocean?
upwelling
Ekman drift
downwelling
Coriolis effect
6
The Moon has much less mass than the Earth. Therefore, the Moon has no gravity.
false
true
7
Most tornadoes are extremely violent, rated at EF-4 to EF-5.
true
false
8
Which type of electromagnetic radiation does most weather radar use?
X-rays
visible light
microwaves
gamma rays
9
The Sun contains over 99% of all the mass of the solar system
true
false
10
Why is the Gulf Stream ocean current warm?
The current forms at the equator
The land off the east coast is warm
Winds from Canada are warm
Currents that flow north are always warm
11
An astronomical unit (AU) is the average sistance between the Sun and the Earth.
true
false
12
Distances between planets within our solar system are best described using which units?
kilometers
parsec
astronomical units
light-years
13
The density of ocean water is increased by
diluting with fresh water
increasing temperature
decreasing temperature
decreasing salinty
14
A light year is the distance that light travels in a year.
false
true
15
You would still be waiting for your first birthday if you lived on which planet?
Mercury
Mars
Neptune
Venus
16
A weather front is best describd as
a boundary between two identical air masses
A zone in which warm air becomes warmer
A boundary between two different air masses
A zone in which cold air becomes colder
17
The least safe place to seek shelter from a tornado is
in an interior closet or bathroom in a house
in your car
in the basement of a building
in a ditch or ravine
18
A lightning bolt and the thunder are
produced
at the same time.
false
true
19
How does El Niño negatively impact the fishing industry in South America?
by causing an increase marine brids that eat the fish
by causing an increase in ocean water salinity
by causing a decrease in water temperature
by causing a decrease in upwelling
20
The force that creates the ocean tides is the
gravitational attraction of the Moon <u>and </u>Sun
gravitational attraction of the Moon
rotation of the Earth about its axis
gravitational attraction of the Sun
21
You see a flash of lightning and 10 seconds later you hear thunder. You can conclude that
the lightning occurred 2 miles away
the thunderstorm is moving toward you
the lightning is 10 miles away
the thunderstorm is moving away from you
22
Which planet would float if it could be placed in water? (Which has the lowest density?)
Saturn
Mercury
Mars
Earth
23
Which area has the greatest number of thunderstorm days per year?
Alaska
Wisconsin
Florida
California
24
Which type of cloud indicates a thunderstorm is approaching?
cirrus
nimbostratus
cumulus
cumulonimbus
25
Which type of weather front is shown?
stationary front
warm front
up front
cold front
